EP2807345A4 - Thrust balance system for gas turbine engine - Google Patents

Thrust balance system for gas turbine engine

Info

Publication number
EP2807345A4
EP2807345A4 EP13796982.0A EP13796982A EP2807345A4 EP 2807345 A4 EP2807345 A4 EP 2807345A4 EP 13796982 A EP13796982 A EP 13796982A EP 2807345 A4 EP2807345 A4 EP 2807345A4
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine engine
balance system
thrust balance
thrust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13796982.0A
Other languages
German (de)
French (fr)
Other versions
EP2807345B2 (en
EP2807345A1 (en
EP2807345B1 (en
Inventor
Jorn A Glahn
William K Ackermann
Philip S Stripinis
John T Schmitz
Jr Clifton J Crawley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48870362&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2807345(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2807345A1 publication Critical patent/EP2807345A1/en
Publication of EP2807345A4 publication Critical patent/EP2807345A4/en
Application granted granted Critical
Publication of EP2807345B1 publication Critical patent/EP2807345B1/en
Publication of EP2807345B2 publication Critical patent/EP2807345B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/441—Free-space packings with floating ring
    • F16J15/442—Free-space packings with floating ring segmented
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/38—Retaining components in desired mutual position by a spring, i.e. spring loaded or biased towards a certain position
EP13796982.0A 2012-01-27 2013-01-16 Thrust balance system for gas turbine engine Active EP2807345B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261591434P 2012-01-27 2012-01-27
US13/444,898 US20130195627A1 (en) 2012-01-27 2012-04-12 Thrust balance system for gas turbine engine
PCT/US2013/021711 WO2013180762A1 (en) 2012-01-27 2013-01-16 Thrust balance system for gas turbine engine

Publications (4)

Publication Number Publication Date
EP2807345A1 EP2807345A1 (en) 2014-12-03
EP2807345A4 true EP2807345A4 (en) 2015-11-04
EP2807345B1 EP2807345B1 (en) 2018-03-07
EP2807345B2 EP2807345B2 (en) 2020-11-18

Family

ID=48870362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13796982.0A Active EP2807345B2 (en) 2012-01-27 2013-01-16 Thrust balance system for gas turbine engine

Country Status (3)

Country Link
US (1) US20130195627A1 (en)
EP (1) EP2807345B2 (en)
WO (1) WO2013180762A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3088702A1 (en) 2011-12-30 2016-11-02 United Technologies Corporation Gas turbine engine gear train
EP2961942B1 (en) 2013-02-28 2020-07-08 United Technologies Corporation Method and apparatus for handling pre-diffuser airflow for cooling gas turbine components
US8641366B1 (en) 2013-03-07 2014-02-04 United Technologies Corporation Non-contacting seals for geared gas turbine engine bearing compartments
US10443443B2 (en) 2013-03-07 2019-10-15 United Technologies Corporation Non-contacting seals for geared gas turbine engine bearing compartments
US10801348B2 (en) * 2014-10-14 2020-10-13 Raytheon Technologies Corporation Non-contacting dynamic seal
US20170051751A1 (en) * 2015-08-19 2017-02-23 United Technologies Corporation Seal assembly for rotational equipment
US10060280B2 (en) 2015-10-15 2018-08-28 United Technologies Corporation Turbine cavity sealing assembly
US20170107839A1 (en) * 2015-10-19 2017-04-20 United Technologies Corporation Rotor seal and rotor thrust balance control
US20170130732A1 (en) * 2015-11-06 2017-05-11 United Technologies Corporation Compressor exit seal
US10428672B2 (en) 2016-02-08 2019-10-01 United Technologies Corporation Floating, non-contact seal and dimensions thereof
US10060535B2 (en) * 2016-02-25 2018-08-28 United Technologies Corporation Shaped spring element for a non-contact seal device
US10344614B2 (en) 2016-04-12 2019-07-09 United Technologies Corporation Active clearance control for a turbine and case
US11053797B2 (en) * 2017-01-23 2021-07-06 General Electric Company Rotor thrust balanced turbine engine
US10731761B2 (en) 2017-07-14 2020-08-04 Raytheon Technologies Corporation Hydrostatic non-contact seal with offset outer ring
WO2019168501A1 (en) * 2018-02-27 2019-09-06 Siemens Aktiengesellschaft Turbine cooling air delivery system
GB201807840D0 (en) * 2018-05-15 2018-06-27 Rolls Royce Plc Gas turbine engine
US11421543B2 (en) * 2018-11-28 2022-08-23 Raytheon Technologies Corporation Hydrostatic seal with asymmetric beams for anti-tipping
US11199102B2 (en) 2018-11-28 2021-12-14 Raytheon Technologies Corporation Hydrostatic seal with increased design space
US11674402B2 (en) 2018-11-28 2023-06-13 Raytheon Technologies Corporation Hydrostatic seal with non-parallel beams for anti-tipping
US11111805B2 (en) 2018-11-28 2021-09-07 Raytheon Technologies Corporation Multi-component assembled hydrostatic seal
US11203934B2 (en) 2019-07-30 2021-12-21 General Electric Company Gas turbine engine with separable shaft and seal assembly
US11473439B1 (en) 2021-09-23 2022-10-18 General Electric Company Gas turbine engine with hollow rotor in fluid communication with a balance piston cavity

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5284347A (en) * 1991-03-25 1994-02-08 General Electric Company Gas bearing sealing means
US20070007730A1 (en) * 2004-05-28 2007-01-11 Garrison Glenn M Air riding seal

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647684A (en) 1947-03-13 1953-08-04 Rolls Royce Gas turbine engine
US3121526A (en) * 1960-08-25 1964-02-18 Rolls Royce Gas turbine engines
US3433020A (en) † 1966-09-26 1969-03-18 Gen Electric Gas turbine engine rotors
US4251987A (en) 1979-08-22 1981-02-24 General Electric Company Differential geared engine
US4653267A (en) 1983-05-31 1987-03-31 United Technologies Corporation Thrust balancing and cooling system
GB2234035B (en) * 1989-07-21 1993-05-12 Rolls Royce Plc A reduction gear assembly and a gas turbine engine
US5760289A (en) 1996-01-02 1998-06-02 General Electric Company System for balancing loads on a thrust bearing of a gas turbine engine rotor and process for calibrating control therefor
JP3537349B2 (en) * 1998-04-20 2004-06-14 日機装株式会社 Thrust balance device
US8172232B2 (en) † 2003-05-01 2012-05-08 Advanced Technologies Group, Inc. Non-contact seal for a gas turbine engine
US8002285B2 (en) * 2003-05-01 2011-08-23 Justak John F Non-contact seal for a gas turbine engine
GB0412476D0 (en) 2004-06-04 2004-07-07 Rolls Royce Plc Seal system
US8092150B2 (en) * 2007-07-04 2012-01-10 Alstom Technology Ltd. Gas turbine with axial thrust balance
US8381533B2 (en) † 2009-04-30 2013-02-26 Honeywell International Inc. Direct transfer axial tangential onboard injector system (TOBI) with self-supporting seal plate
US8176725B2 (en) † 2009-09-09 2012-05-15 United Technologies Corporation Reversed-flow core for a turbofan with a fan drive gear system
US10119476B2 (en) † 2011-09-16 2018-11-06 United Technologies Corporation Thrust bearing system with inverted non-contacting dynamic seals for gas turbine engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5284347A (en) * 1991-03-25 1994-02-08 General Electric Company Gas bearing sealing means
US20070007730A1 (en) * 2004-05-28 2007-01-11 Garrison Glenn M Air riding seal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013180762A1 *

Also Published As

Publication number Publication date
EP2807345B2 (en) 2020-11-18
EP2807345A1 (en) 2014-12-03
WO2013180762A1 (en) 2013-12-05
EP2807345B1 (en) 2018-03-07
US20130195627A1 (en) 2013-08-01

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